20200024

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4517}}^1$

素因数の和:4579

約数の個数: 32

約数和(自身を含む): 41746320

約数和(自身を除く): 21546296

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 4517, 9034, 18068, 36136, 58721, 117442, 194231, 234884, 388462, 469768, 776924, 1553848, 2525003, 5050006, 10100012, 20200024]

約数ペア:

[(1, 20200024), (2, 10100012), (4, 5050006), (8, 2525003), (13, 1553848), (26, 776924), (43, 469768), (52, 388462), (86, 234884), (104, 194231), (172, 117442), (344, 58721), (559, 36136), (1118, 18068), (2236, 9034), (4472, 4517)]